在全面分析钻井机械的组成、钻进过程的特点和人的特性的基础上，建立钻机钻进过程人机系统可靠性模型。
Based on an analysis of the composition of drilling rig, characteristics of drilling process, and human features, a reliability model of man-machine control system for drilling process is established.
同时，还介绍了该算法在钻井工程优化设计中优选钻进参数的应用。
Also, an application of the algorithm is described for optimizing drilling parameters in drilling engineering plan.
影响钻井法钻进速度的因素主要有破岩和排渣。
The main factors affected on the drilling speed of drilling method are rock-cutting and mud discharge.
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